Introduction Quiz

THE PPV IS :
A:100%
B:60%
C:70%
D:30%
PPV(D/T): How likely someone with a positive test _________ the disease
A: have
B: don't have
A mammogram screening test for breast cancer has sensitivity of 0.85 and specificity of 0.80.  What is the probability of a false negative test?
A:15%
B:50%
C:30%
D:10%
Negative predictive value
(D/T):
(𝑻/𝑫)
(Ť/Ď) ‏
‏(Ď/Ť‏)
Various Data collection techniques can be used are correct except :
A:Interviewing (mainly face to face)
B: Observing
C:Sample
The easiest method that use in collecting date is :
A:Administering written questionnaires )
B:Using available information
C: Observing
D: Interviewing (mainly face to face)
All of the following advantages of QUOTA SAMPLING EXCEPT :
A. Used when research budget is limited
B. Very extensively used/understood.
C. No need for list of population elements
D. Variability & bias cannot be measured or controlled
Methods of Reducing Sampling Error INCLUDE ALL EXCEPT :
A. Specific problem selection
B. Systematic documentation of related research
C. Effective enumeration.
D. Causes for non-sampling errors
Sensitivity is :
A:75%
B:50%
C:45%
False negative : test negative ,but actually has disease
A:true
B:false
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